local qmath = require "quarrel.math"
local qvars = require "quarrel.vars"
local wibox = require "wibox"

local battery_bar = wibox.widget {
    widget = wibox.container.place,
    forced_height = qvars.char_height,
    {
        {
            widget = wibox.container.constraint,
            width = qvars.char_width * 4,
            strategy = "exact",
            {
                widget = wibox.widget.textbox,
                text = "0%"
            },
            id = "text"
        },
        nil,
        {
            widget = wibox.container.margin,
            margins = {
                left = qvars.padding
            },
            {
                widget = wibox.container.place,
                {
                    widget = wibox.widget.progressbar,
                    max_value = 100,
                    value = 0,
                    forced_height = qvars.char_height / 4,
                    shape = qvars.shape,
                    background_color = qvars.colors.black,
                    color = qvars.colors.red,
                }
            },
            id = "bar"
        },
        layout = wibox.layout.align.horizontal,
        -- expand = "outside"
    }
}

awesome.connect_signal("services::battery", function(capacity)
    local color = qmath.step_value(capacity, {
        { 0, "red" },
        { 20, "red" },
        { 40, "yellow" },
        { 60, "green" },
        { 80, "green" },
        { 100 }
    })

    battery_bar.widget.bar.widget.widget.color = qvars.colors[color]
    battery_bar.widget.bar.widget.widget.value = capacity

    battery_bar.widget.text.widget.text = capacity .. "%"
end)

return battery_bar